Damper-B-PINN: Damper Characteristics-Based Bayesian Physics-Informed Neural Network for Vehicle State Estimation

• URL: http://arxiv.org/abs/2502.20772v1
• Date: Fri, 28 Feb 2025 06:46:21 GMT
• Title: Damper-B-PINN: Damper Characteristics-Based Bayesian Physics-Informed Neural Network for Vehicle State Estimation
• Authors: Tianyi Zeng, Tianyi Wang, Junfeng Jiao, Xinbo Chen,
• Abstract summary: We design a Damper characteristics-based Bayesian Physics-Informed Neural Network (Damper-B-PINN)<n>We introduce a neuron forward process inspired by the mechanical properties of dampers, which limits abrupt jumps in neuron values between epochs.<n>Physical information is incorporated into the loss function to serve as a physical prior for the neural network.
• Score: 2.9320640393913626
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: State estimation for Multi-Input Multi-Output (MIMO) systems with noise, such as vehicle chassis systems, presents a significant challenge due to the imperfect and complex relationship between inputs and outputs. To solve this problem, we design a Damper characteristics-based Bayesian Physics-Informed Neural Network (Damper-B-PINN). First, we introduce a neuron forward process inspired by the mechanical properties of dampers, which limits abrupt jumps in neuron values between epochs while maintaining search capability. Additionally, we apply an optimized Bayesian dropout layer to the MIMO system to enhance robustness against noise and prevent non-convergence issues. Physical information is incorporated into the loss function to serve as a physical prior for the neural network. The effectiveness of our Damper-B-PINN architecture is then validated across ten datasets and fourteen vehicle types, demonstrating superior accuracy, computational efficiency, and convergence in vehicle state estimation (i.e., dynamic wheel load) compared to other state-of-the-art benchmarks.

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